Add Github Action to build docs

.github/workflows/docs.yml

@@ -0,0 +1,25 @@
+name: Docs
+
+on:
+  push:
+
+jobs:
+  docs:
+    strategy:
+      matrix:
+        python-version:
+          - '3.10'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e .[dev]
+      - name: Build documentation
+        run: |
+          sphinx-build -a -b html -W --keep-going docs/ docs/_build